Answer:
i have no idea
Step-by-step explanation:
Answer:
100°
Step-by-step explanation:
Total angle in a triangle is 180
∠C = 180 - 20 - 60
= 180 - 80
= 100
Answer:
-7/45
Step-by-step explanation:
First, find the lowest common denominator for 9 and 15. It's 45. Make both fractions over 45 by multiplying the top and bottom by the same number.

Since 15*3=45, multiply the top by 3 also. Since 9*5=45, multiply the top by 5 also.

Combine the fractions
Answer in lowest terms
Answer:
2(x-9)(x+5)
Step-by-step explanation:
Answer:
Step-by-step explanation:
(4)(x)+(4)(−2)+(2)(x)+(2)(1)
=4x+−8+2x+2
4x+−8+2x+2
=(4x+2x)+(−8+2)
=6x+−6
pls mark me brainliest